# Add open bracket to delimiter stack and add a text node to block's children
	private fun parse_open_bracket: Bool do
		var start_index = index
		advance 1

		var node = append_text("[")

		# Add entry to stack for this opener
		add_bracket(new MdBracket.link(node, start_index, column - 1, last_bracket, last_delimiter))
		return true
	end